Planar positively engaging helmet bracket



FIG. 1 is front perspective view a planar positively engaging helmet bracket showing our new design;

FIG. 2 is front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a front perspective view thereof, shown the article in its environmental use.

The broken lines representing helmet and disclaimed portions of the design are for illustrative purpose only and form no part of the claimed design. 

The ornamental design for a planar positively engaging helmet bracket, as shown and described. 